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Window Installation in Seattle & the Northwest

High performance, Custom Windows by Beldon are Made For Northwest Homes. Every window is custom measured for the opening in your home with a unique serial number for easy and hassle-free lifetime warranty protection. Beldon Custom Windows add comfort to your home during cold drafty winters and hot summers by using energy efficient foam-filled chambered frames that maximize the view through your choice of triple- or double-pane energy coated glass.

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Window Gallery

See all the beautiful windows that will inspire ideas and creativity for you and your home.


Get Your Free Brochure

See the excellence in performance and durability.
Download this helpful and informative window brochure.


Window Warranty

Download warranty details:

  • Lifetime warranty on frames
  • Lifetime warranty on glass breakage

Read Customer Reviews


Window Replacements

Windows are among the most noticeable features on residential building structures. They also play one of the most important roles in controlling indoor climates. Upgrading your windows can boost home equity, add to the resale value of your home. They can also significantly diminish your carbon footprint. With high-quality windows, homeowners can spend far less money on cooling and heating their indoor environments. At Beldon of Seattle, we’ve been proud to assist property owners throughout the Northwest area in choosing the perfect window designs for their budget and goals.

5 Questions About Your Existing Windows

  1. Are your windows or frames Cracked? Warped? Peeling?
  2. Can you feel a draft or cold when you stand close?
  3. Can you hear road noise or neighbors working in their yard?
  4. Are they hard to open, difficult to clean, or maintain?
  5. Would you like to improve the appearance of your windows?



Custom Windows by Beldon Home Solutions have a slim and exceptionally strong frame profile that maximizes glass space. We achieve this attractive profile by using better structural engineering to build your windows. Every high performance window is fusion-welded at the corners. Choose from multiple colors and mullion configurations to suit your personal tastes.


Custom Windows by Beldon Home Solutions are Energy Star Rated™. The fusion-welded pure vinyl frame is both foam-filled and multi-chambered. The inside and outside glass surfaces are treated with Lo-E treatment to keep heat/cold away from your house and to hold the heat/cool inside depending upon the season. Your high performance Custom Windows are made with 1/8 inch glass the space between the double- or triple-panes is filled with Argon Gas for noise reduction.

Durability:  Lifetime Warranty

Custom Windows by Beldon Home Solutions have a lifetime warranty that is trouble-free. Your windows are custom measured and built for each space in your home – with specific serial numbers to identify each window. Your new high performance custom windows are installed by the manufacturer, with a physical plant located in Bothell, Washington. When we say “Made for Northwest Homes” we really mean it!